Title of article :
A Vanadium (V) Hydroxymonophosphate Hydrate with a "Tape-Like" structure: K3 (VO2)2PO4PO3OH·H2O
Author/Authors :
Raveau، B. نويسنده , , Leclaire، A. نويسنده , , Borel، M. M. نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Abstract :
A new vanadium (V) hydroxymonophosphate hydrate, K3(VO2)2PO4PO3OH·H2O, with a "tapelike" structure has been synthesized. This compound crystallizes in the space group P21/c with a= 5.099(1) ?, b=29.168(3) ?, c=8.115(1) ?, BETA=91.65(1)°. Its structure consists of [V2P2O11OH] ribbons built up of corner-sharing VO5 pyramids, PO4, and PO3OH tetrahedra, interleaved with K+ ions and H2O molecules. In spite of its unidimensional character, this structure forms pentagonal tunnels. Relationships with frameworks involving tetragonal tunnels are studied.
Keywords :
Pb(Fe2/3W1/3)O3–PbTiO3 , complex perovskite , Phase diagram , relaxor ferroelectricity , morphotropic phase boundary , dielectric properties , phase transitions.
Journal title :
JOURNAL OF SOLID STATE CHEMISTRY
Journal title :
JOURNAL OF SOLID STATE CHEMISTRY
